A small dam is relatively cheap to construct: modest reservoirs known in India as tanks used to be built and maintained by local villagers.

建造小水坝相对要便宜一些，在印度被称为水槽的简易水库通常由当地村民建造和维护保养。

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More than a million people were relocated to construct the world's largest dam, which has been fully operational since last year.

这座世界上最大的水坝于去年全面投入使用，也迫使上百万的人迁移到全国各地。

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Studying seepage state in dam foundation through the variation of temperature field in the foundation before and after dam construct I on is a new means for seepage monitoring.

通过建坝前后地温场的变化了解坝基渗流状态是渗流监测中的新手段。

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